QueUse a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the populatdistributed.Claim: p=51,600; a= 0.10 Sample statistics: x= 51,731, s=2400, n= 20Click the icon to view the t-distribution table.What is(are) the critical value(s)?The critical value(s) is(are)(Round to three decimal places as needed. Use a comma to separate answers as needed.)Decide whether to reject or fail to reject the null hypothesis.O A. Reject Ho- There is not enough evidence to reject the claim.B. Reject H,- There is enough evidence to reject the claim.O C. Fail to reject Ho. There is not enough evidence to reject the claim.D. Fail to reject Ho- There is enough evidence to reject the claim.Click to select your answer(s).javascript:doExercise(18);104/O Type here to search Question HelpUse a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normaldistributed.Claim: p=51,600; a= 0.1 0 Sample statistics: x= 51,731, s=2400, n=20Click the icon to view the t-distribution table.What are the null and alternative hypotheses? Choose the correct answer below.O A. Ho: p251,600H p<51,600O B. H, p=51.600H p+51,600OC. Ho: u#51,600H p= 51,600O D. H, ps51,600H. p >51,600What is the value of the standardized test statistic?The standardized test statistic is(Round to two decimal places as needed.)What is(are) the critical value(s)?Click to select your answer(s).javascript:doExercise(18);10:03 PMO Aiヘ语台4/25/2021P Type here to search

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Que Use a t-test to test the claim about the population mean p at the given level of significance a using the given sample statistics. Assume the populat distributed. Claim: p= 51,600; a=0.10 Sample statistics: x=51,731, s=2400, n=20 Click the icon to view the t-distribution table. What is(are) the critical value(s)? The critical value(s) is(are). (Round to three decimal places as needed. Use a comma to separate answers as needed.) Decide whether to reject or fail to reject the null hypothesis. O A. Reject Ho. There is not enough evidence to reject the claim. O B. Reject Ho. There is enough evidence to reject the claim. O C. Fail to reject Ho. There is not enough evidence to reject the claim. O D. Fail to reject Ho. There is enough evidence to reject the claim. Click to select your answer(s). javascript:doExercise(18); 10 A 4) P Type here to search 立

Que Use a t-test to test the claim about the population mean p at the given level of significance a using the given sample statistics. Assume the populat distributed. Claim: p= 51,600; a=0.10 Sample statistics: x=51,731, s=2400, n=20 Click the icon to view the t-distribution table. What is(are) the critical value(s)? The critical value(s) is(are). (Round to three decimal places as needed. Use a comma to separate answers as needed.) Decide whether to reject or fail to reject the null hypothesis. O A. Reject Ho. There is not enough evidence to reject the claim. O B. Reject Ho. There is enough evidence to reject the claim. O C. Fail to reject Ho. There is not enough evidence to reject the claim. O D. Fail to reject Ho. There is enough evidence to reject the claim. Click to select your answer(s). javascript:doExercise(18); 10 A 4) P Type here to search 立

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find the standardized test statistic, z, to test the claim that p,
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Use a t-test to test the claim about the population mean p at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u = 52,500, a = 0.01 Sample statistics: x 51,263, s=2500, n 15 Click the icon to view the t-distribution table. A. Ho u=52,500 H, p 52,500 O B. H, 52,500 H p= 52,500 O C. H, ps52,500 H, p> 52,500 O D. H, µ252,500 H µ< 52,500 What is the value of the standardized test statistic? The standardized test statistic is -1.92. (Round to two decimal places as needed.) What is(are) the critical value(s)? The critical value(s) is(are) (Round to three decimal places as needed. Use a comma to separate answers as needed.)
Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. Male BMI Female BMI u u1 u2 n 46 46 x 28. 4773 26. 3875 s 7. 618885 5. 488392
Which conditions are necessary to check before conducting a significance test? I. Data was collected randomly II. The standard deviation of the population is known III. The population is Normally distributed IV. Each element of the sample is independent V. The sampling distribution is normally distributed Select one: 1. I, IV, V 2. I, III, V 3. I, III, and IV 4. I, II, and IV
Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Refer to the accompanying data set. Use a 0.01 significance level to test the claim that women and men have the same mean diastolic blood pressure. Women Men Women Men69.0 71.0 63.0 63.095.0 65.0 73.0 81.079.0 68.0 57.0 92.065.0 61.0 59.0 80.071.0 65.0 79.0 89.080.0 71.0 72.0 63.059.0 58.0 70.0 72.051.0 40.0 64.0 79.072.0 66.0 66.0 76.087.0 65.0 84.0 57.067.0 81.0 55.0 67.059.0 75.0 76.0 84.073.0 53.0 74.0 71.063.0 77.0 51.0 69.066.0 51.0 91.0 68.087.0 91.0 58.0 71.057.0 78.0 82.0 73.085.0 81.0 83.0 72.071.0 59.0 77.0 68.062.0 73.0 66.0 77.071.0 80.0 72.0 67.072.0 103.0 61.0 51.089.0 61.0 88.0 66.070.0 79.0 57.0 71.067.0 73.0 77.0 66.067.0 84.0 77.0 76.071.0 64.0 90.0 51.081.0 67.0 64.0 55.073.0 55.0 70.0 65.089.0 84.0 79.0 85.063.0 78.0 42.0 84.069.0 56.0 73.0 72.077.0 62.0 71.0 80.091.0 65.0 46.0…
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: Identify the z-scores of the following given the mean (?) and the standard deviation (?). 1. ? = ?? , ? = ? Raw Score z-score 30 36 40 44 45 II.Construct the graph of the normal distribution given the following means and standard deviations. 1. ? = ?�� , ? = ? 2. ? = ?? , ? = ?
Use technology to help you test the claim about the population mean, μ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: μ> 1170; x = 0.08; a=207.79. Sample statistics: x= 1198.51, n = 250 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: 21170 H₂H 1198.51 H:Hs 1198.51 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value. P= (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. D Ho. At the 8% significance level, there OB. Ho: s1198.51 H: 1198.51 O D. Ho: 1170 H₂: ≤1170 OF. Ho: HS1170 H₂: > 1170 enough evidence to the claim.
A researcher is interested in whether there is a difference between male and female college students in the amount of time spent doing volunteer work for the last 6 months. The researcher gathers a random sample of college students. The amount of time volunteering is measured in hours, which is an interval level-ratio and is normally distributed. Which statistical test should be used to analyze this data? a. Multiple regression b. paired samples t-test c. independent groups t-test d. Factorial ANOVA
Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic and P-value.Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n = 25, x = 24.4 years, and s = 9.2 years. Use a significance level of α = 0.05. Round answersto 3 decimal places.test statistic ____________ P-value _____________